﻿using System;
using System.Configuration;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
using Mailias.UI.Web.Infrastructure;
using Raven.Client;

namespace Mailias.UI.Web
{
    // Note: For instructions on enabling IIS6 or IIS7 classic mode, 
    // visit http://go.microsoft.com/?LinkId=9394801

    public class MvcApplication : System.Web.HttpApplication
    {
        private static NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();

        public static void RegisterGlobalFilters(GlobalFilterCollection filters)
        {
            filters.Add(new HandleErrorAttribute());
        }

        public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(
                "Default", // Route name
                "{controller}/{action}/{id}", // URL with parameters
                new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults
            );

        }

        protected System.Threading.Tasks.Task _smtpServer;
        protected CancellationTokenSource _smtpServerCancelTokenSource;

        protected void Application_Start()
        {
            logger.Info("Mailias Web Application is being started.");

            AreaRegistration.RegisterAllAreas();

            RegisterGlobalFilters(GlobalFilters.Filters);
            RegisterRoutes(RouteTable.Routes);

            var physicalPathToDatabase =
                HttpContext.Current.Server.MapPath(ConfigurationManager.ConnectionStrings["MailiasDb"].ConnectionString);

            if (!System.IO.Directory.Exists(physicalPathToDatabase))
            {
                System.IO.Directory.CreateDirectory(physicalPathToDatabase);
            }

            MailiasDocumentStore.Initialize(physicalPathToDatabase);

            IDocumentSession documentSession = MailiasDocumentStore.Instance.OpenSession();
            
            
            try
            {
                var settings = new SMTPServerSettings(documentSession.Query<MailiasSettings>().SingleOrDefault().SmtpSettings); 
                
                _smtpServerCancelTokenSource = new CancellationTokenSource();
                
                _smtpServer = Task.Factory.StartNew(() => SMTPServer.StartListening(settings), _smtpServerCancelTokenSource.Token );
                
            }
            catch (Exception e)
            {
                
                System.Console.WriteLine(e.ToString());
            }

        }

    }
}